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In this Monday, Oct. 22, 2012 photo, Keith Miller, a former college and pro football athlete who transitioned from playing football to singing opera as a bass-baritone, poses for a photo during an interview in New York. (AP Photo/Bebeto Matthews)

In this Monday, Oct. 22, 2012 photo, Keith Miller, a former college and pro football athlete who transitioned from playing football to singing opera as a bass-baritone, poses for a photo during an interview in New York. (AP Photo/Bebeto Matthews)